WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-devel

Re: [Xen-devel] Re: Out sw-iommu space problem

On Thu, Oct 20, 2011 at 04:28:49AM -0700, Fantu wrote:
> After setting swiotlb=65762 on vmlinuz (from 64 mb to 128 mb) problem solved.

OK. I am not sure why your driver is using that much space, but that is 
the purpose of the argument.

> Is swiotlb set on vmlinux bugged? At this time on 2.6.32 pv_ops, in order to
> set size in MB requires this calculation: swiotlb=N where N/1024*2=MB

That is correct. It is correct for any kernel since 2.6.18 I believe. Unless
the swiotlb in the Xen old-style was doing something different.

> 
> --
> View this message in context: 
> http://xen.1045712.n5.nabble.com/Out-sw-iommu-space-problem-tp4803078p4921154.html
> Sent from the Xen - Dev mailing list archive at Nabble.com.
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

<Prev in Thread] Current Thread [Next in Thread>